Hi,
I am using varnish 4.1 and would like to implement something similar to
<esi:include src="apage-head.html" onerror="continue"/>
which does not appear to be supported yet.
I have:
sub vcl_backend_response {
if (bereq.url ~ "-head.html$" && beresp.status==404)
#if (req.esi_level>0 && beresp.status==404) //Commented as
Variable not available
{
#set beresp.status = 700; //this is for attempts to forward
to vcl_synth
set beresp.status = 200;
set beresp.http.Content-Type = "text/html; charset=utf-8";
set beresp.reason="esi include failed with a 404";
#synthetic("<!-- esi include failed with a 404-->"); # not
a valid action from method
#call vcl_synth; # still cant use synthetic
#call vcl_backend_error; #ditto
return (deliver);
}
I think it should be valid to call synthetic here, any chance of this for a
future version?
Also I tried to see if it is in the middle of esi processing using
req.esi_level however that is not available in this method.
I have tried several workarounds
return(synth ...)
call vcl_synth
but no luck.
Can anyone provide a working solution.
thanks in advance
Andrew Bailey
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